CVE-2026-25150
CriticalSummary
W frameworku Qwik, przed wersją 1.19.0, występuje podatność na zanieczyszczenie prototypu w funkcji formToObj() w middleware @builder.io/qwik-city. Funkcja ta przetwarza nazwy pól formularzy z użyciem notacji kropkowej, ale nie sanitizuje niebezpiecznych nazw właściwości, co umożliwia atakującym zdalne zanieczyszczenie Object.prototype.
Risk Assessment
Podatność ta pozwala nieautoryzowanym atakującym na zanieczyszczenie prototypu, co może prowadzić do eskalacji uprawnień, obejścia uwierzytelniania lub odmowy usługi. Organizacje mogą być narażone na poważne zagrożenia bezpieczeństwa.
Recommendation
Zaleca się aktualizację do wersji 1.19.0 lub nowszej, aby usunąć tę podatność. Dodatkowo, warto przeprowadzić audyt aplikacji w celu identyfikacji i zabezpieczenia innych potencjalnych luk.
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Original NVD description (English source)
Qwik is a performance focused javascript framework. Prior to version 1.19.0, a prototype pollution vulnerability exists in the formToObj() function within @builder.io/qwik-city middleware. The function processes form field names with dot notation (e.g., user.name) to create nested objects, but fails to sanitize dangerous property names like __proto__, constructor, and prototype. This allows unauthenticated attackers to pollute Object.prototype by sending crafted HTTP POST requests, potentially leading to privilege escalation, authentication bypass, or denial of service. This issue has been patched in version 1.19.0.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS